Business Excel
  
 
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Scenario
Identifying Problem
Old System
Real user
Solutions
Objectives
New System
If Statements
Hardware
Supermarket system
Data flow
Data input
Barcode System
Processing
Output
Safety-Security
Design & Feedback
Final Design & Testing
Implementation
Evaluation

 
Simple data flow
  1. Students should create a diagram to show how data will be entered
  2. Where does the data come from?
  3. How it will be processed?
  4. What output you want?

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